зеркало из https://github.com/golang/dep.git
75 строки
1.7 KiB
Go
75 строки
1.7 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package dep
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/pkg/errors"
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"github.com/sdboyer/gps"
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)
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var errProjectNotFound = fmt.Errorf("could not find project %s, use dep init to initiate a manifest", ManifestName)
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func findProjectRootFromWD() (string, error) {
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path, err := os.Getwd()
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if err != nil {
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return "", errors.Errorf("could not get working directory: %s", err)
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}
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return findProjectRoot(path)
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}
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// findProjectRoot searches from the starting directory upwards looking for a
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// manifest file until we get to the root of the filesystem.
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func findProjectRoot(from string) (string, error) {
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for {
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mp := filepath.Join(from, ManifestName)
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_, err := os.Stat(mp)
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if err == nil {
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return from, nil
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}
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if !os.IsNotExist(err) {
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// Some err other than non-existence - return that out
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return "", err
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}
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parent := filepath.Dir(from)
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if parent == from {
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return "", errProjectNotFound
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}
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from = parent
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}
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}
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type Project struct {
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// AbsRoot is the absolute path to the root directory of the project.
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AbsRoot string
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// ImportRoot is the import path of the project's root directory.
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ImportRoot gps.ProjectRoot
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Manifest *Manifest
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Lock *Lock
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}
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// MakeParams is a simple helper to create a gps.SolveParameters without setting
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// any nils incorrectly.
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func (p *Project) MakeParams() gps.SolveParameters {
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params := gps.SolveParameters{
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RootDir: p.AbsRoot,
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}
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if p.Manifest != nil {
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params.Manifest = p.Manifest
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}
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if p.Lock != nil {
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params.Lock = p.Lock
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}
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return params
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}
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